889968172

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{554843}}^1$

素因数の和:555248

約数の個数: 12

約数和(自身を含む): 1561331016

約数和(自身を除く): 671362844

約数列:

[1, 2, 4, 401, 802, 1604, 554843, 1109686, 2219372, 222492043, 444984086, 889968172]

約数ペア:

[(1, 889968172), (2, 444984086), (4, 222492043), (401, 2219372), (802, 1109686), (1604, 554843)]